Home / 91,152,537.36-136,728,603.36-70,433,103.30

Finding the Fourth Proportional to 91,152,537.36, 136,728,603.36 and 70,433,103.30

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Solution

The fourth proportional to 91,152,537.36, 136,728,603.36 and 70,433,103.30 is: 105,649,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,152,537.36 : 136,728,603.36 = 70,433,103.30 : x
  2. Step 2: Convert to fraction form
    91,152,537.36/136,728,603.36 = 70,433,103.30/x
  3. Step 3: Cross multiply
    91,152,537.36x = 136,728,603.36 × 70,433,103.30
  4. Step 4: Simplify right side
    91,152,537.36x = 9,630,219,844,519,608
  5. Step 5: Solve for x
    x = 9,630,219,844,519,608/91,152,537.36
  6. Step 6: Final answer
    x = 105,649,498.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.